
var CreatedOKLodopObject, CLodopIsLocal, CLodopJsState,isShow;


  //==判断是否需要CLodop(那些不支持插件的浏览器):==
export function needCLodop() {
    try {
      var ua = navigator.userAgent;
      if (ua.match(/Windows\sPhone/i))
        return true;
      if (ua.match(/iPhone|iPod|iPad/i))
        return true;
      if (ua.match(/Android/i))
        return true;
      if (ua.match(/Edge\D?\d+/i))
        return true;

      var verTrident = ua.match(/Trident\D?\d+/i);
      var verIE = ua.match(/MSIE\D?\d+/i);
      var verOPR = ua.match(/OPR\D?\d+/i);
      var verFF = ua.match(/Firefox\D?\d+/i);
      var x64 = ua.match(/x64/i);
      if ((!verTrident) && (!verIE) && (x64))
        return true;
      else if (verFF) {
        verFF = verFF[0].match(/\d+/);
        if ((verFF[0] >= 41) || (x64))
          return true;
      } else if (verOPR) {
        verOPR = verOPR[0].match(/\d+/);
        if (verOPR[0] >= 32)
          return true;
      } else if ((!verTrident) && (!verIE)) {
        var verChrome = ua.match(/Chrome\D?\d+/i);
        if (verChrome) {
          verChrome = verChrome[0].match(/\d+/);
          if (verChrome[0] >= 41)
            return true;
        }
      }
      return false;
    } catch (err) {
      return true;
    }
  }

      //==加载引用CLodop的主JS,用双端口8000和18000(以防其中一个被占):==
export function  loadCLodop() {
      if (CLodopJsState == "loading" || CLodopJsState == "complete") return;
      CLodopJsState = "loading";
      var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
      var JS1 = document.createElement("script");
      var JS2 = document.createElement("script");
      JS1.src = "http://localhost:8000/CLodopfuncs.js?priority=1";
      JS2.src = "http://localhost:18000/CLodopfuncs.js";
      JS1.onload  = JS2.onload  = function()    {CLodopJsState = "complete";}
      JS1.onerror = JS2.onerror = function(evt) {CLodopJsState = "complete";}
      head.insertBefore(JS1, head.firstChild);
      head.insertBefore(JS2, head.firstChild);
      CLodopIsLocal = !!((JS1.src + JS2.src).match(/\/\/localho|\/\/127.0.0./i));
    }

export function getLodop(oOBJECT, oEMBED) {
    var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop32.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop32.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop64.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop64.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
    var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
    var strCLodopInstall_1 = "<br><font color='#FF00FF'>Web打印服务CLodop未安装启动，点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>下载执行安装</a>";
    var strCLodopInstall_2 = "<br>（若此前已安装过，可<a href='CLodop.protocol:setup' target='_self'>点这里直接再次启动</a>）";
    var strCLodopInstall_3 = "，成功后请刷新本页面。</font>";
    var strCLodopUpdate = "<br><font color='#FF00FF'>Web打印服务CLodop需升级!点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>执行升级</a>,升级后请刷新页面。</font>";
    var LODOP;
    try {
      var ua = navigator.userAgent;
      var isIE = !!(ua.match(/MSIE/i)) || !!(ua.match(/Trident/i));
      if (needCLodop()) {
        try {
          LODOP = getCLodop();
        } catch (err) {}
        if (!LODOP && CLodopJsState !== "complete") {
          // if (CLodopJsState == "loading") alert("网页还没加载完毕，请稍等一下再操作."); else alert("没有加载CLodop的主js，请先调用loadCLodop过程.");
          isShow=true
          return isShow;
        }
        if (!LODOP) {
          document.body.innerHTML = strCLodopInstall_1 + (CLodopIsLocal ? strCLodopInstall_2 : "") + strCLodopInstall_3 + document.body.innerHTML;
          return;
        } else {
          if (CLODOP.CVERSION < "4.1.1.5") {
            document.body.innerHTML = strCLodopUpdate + document.body.innerHTML;
          }
          if (oEMBED && oEMBED.parentNode)
            oEMBED.parentNode.removeChild(oEMBED); //清理旧版无效元素
          if (oOBJECT && oOBJECT.parentNode)
            oOBJECT.parentNode.removeChild(oOBJECT);
        }
      } else {
        var is64IE = isIE && !!(ua.match(/x64/i));
        //==如果页面有Lodop就直接使用,否则新建:==
        if (oOBJECT || oEMBED) {
          if (isIE)
            LODOP = oOBJECT;
          else
            LODOP = oEMBED;
        } else if (!CreatedOKLodopObject) {
          LODOP = document.createElement("object");
          LODOP.setAttribute("width", 0);
          LODOP.setAttribute("height", 0);
          LODOP.setAttribute("style", "position:absolute;left:0px;top:-100px;width:0px;height:0px;");
          if (isIE)
            LODOP.setAttribute("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
          else
            LODOP.setAttribute("type", "application/x-print-lodop");
          document.documentElement.appendChild(LODOP);
          CreatedOKLodopObject = LODOP;
        } else
          LODOP = CreatedOKLodopObject;
        //==Lodop插件未安装时提示下载地址:==
        if ((!LODOP) || (!LODOP.VERSION)) {
          if (ua.indexOf('Chrome') >= 0)
            // document.body.innerHTML = strHtmChrome + document.body.innerHTML;

          if (ua.indexOf('Firefox') >= 0)
            // document.body.innerHTML = strHtmFireFox + document.body.innerHTML;
          // document.body.innerHTML = (is64IE ? strHtm64_Install : strHtmInstall) + document.body.innerHTML;
          return LODOP;
        }
      }
      if (LODOP.VERSION < "6.2.2.6") {
        // if (!needCLodop())
          // document.body.innerHTML = (is64IE ? strHtm64_Update : strHtmUpdate) + document.body.innerHTML;
      }
      //===如下空白位置适合调用统一功能(如注册语句、语言选择等):==


      //=======================================================
      return LODOP;
    } catch (err) {
      alert("getLodop出错:" + err);
    }
  }



